What causes geraniums leaves to turn yellow with a brown spot on it?

I water when dry, but still have new tiny yellow with a brown spot in the middle of the yellow spot!

  3 answers
  • Oliva Oliva on Jul 05, 2018

    If you water from above, rather than at base of plant, plant can be sun scalded.

  • Betty Betty on Jul 05, 2018
    That is the time I add my miracle grow. .they need some food. .pull off the yellow leaves and new ones will come .Good luck .

  • Shar Shar on Jul 06, 2018

    Great question! Same thing happens to my geraniums. Thanks for the helpful tips, too.